Maxim Bykov
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View article: Laudatio Prof. Dr. Mathias S. Wickleder
Laudatio Prof. Dr. Mathias S. Wickleder Open
View article: Synthesis and Crystal Structure of Anhydrous Di-iodyl Carbonate (IO <sub>2</sub> ) <sub>2</sub> [CO <sub>3</sub> ], Hosting I <sup>5+</sup> -Cations
Synthesis and Crystal Structure of Anhydrous Di-iodyl Carbonate (IO <sub>2</sub> ) <sub>2</sub> [CO <sub>3</sub> ], Hosting I <sup>5+</sup> -Cations Open
The anhydrous di-iodyl carbonate (IO2)2[CO3] has been synthesized in a laser-heated diamond anvil cell at 30(2) GPa and 1600(200) K by a reaction of I2O5 with CO2. Its monoc…
View article: B[μ-H(CO<sub>3</sub>)<sub>2</sub>]: An Acentric Boron Hydrogencarbonate with [μ-H(CO<sub>3</sub>)<sub>2</sub>]<sup>3–</sup> Complex Anions
B[μ-H(CO<sub>3</sub>)<sub>2</sub>]: An Acentric Boron Hydrogencarbonate with [μ-H(CO<sub>3</sub>)<sub>2</sub>]<sup>3–</sup> Complex Anions Open
The hydrous borocarbonate B[μ-H(CO3)2] was synthesized in a laser-heated diamond anvil cell at moderate pressures (∼20 GPa) and temperatures (∼1500(200) K) by a reaction between B2O3, CO2
View article: Ag <sub>5</sub> Pd <sub>2</sub> O <sub>4</sub> , a New Subvalent Silver Oxide, Obtained from Ag <sub>2</sub> PdO <sub>2</sub> via a High‐pressure Synthesis
Ag <sub>5</sub> Pd <sub>2</sub> O <sub>4</sub> , a New Subvalent Silver Oxide, Obtained from Ag <sub>2</sub> PdO <sub>2</sub> via a High‐pressure Synthesis Open
Subvalent silver oxides, where silver exhibits an oxidation state between 0 and + 1, have traditionally been discovered serendipitously due to a lack of systematic synthesis methods and understanding of their bonding schemes. This study pr…
View article: Synthesis and characterization of crystalline polymeric carbonic acid (H2CO3) with sp3-hybridized carbon at elevated pressures
Synthesis and characterization of crystalline polymeric carbonic acid (H2CO3) with sp3-hybridized carbon at elevated pressures Open
The existence of polymeric carbonic acid (H 2 CO 3 ) at elevated pressures has been predicted, but has not been investigated experimentally. Here, polymeric carbonic acid containing s p 3 -hybridized carbon was synthesized and characterize…
View article: Crystal Structure of Carbonic Acid (H<sub>2</sub>CO<sub>3</sub>) at Elevated Pressures from Single‐Crystal Diffraction
Crystal Structure of Carbonic Acid (H<sub>2</sub>CO<sub>3</sub>) at Elevated Pressures from Single‐Crystal Diffraction Open
Single crystals of carbonic acid (H 2 CO 3 ) were synthesized in a laser‐heated diamond anvil cell at moderate pressures between 5 and 13 GPa by reacting H 2 O with CO 2 . Its monoclinic crystal structure ( P 2 1 / n with Z = 4) has been o…
View article: Hochdrucksynthese kristalliner doppelschichtiger Kohlenstoffnitrid‐Netzwerke stabilisiert in Bi<sub>7</sub>C<sub>10</sub>N<sub>18</sub>(N<sub>3(1‐</sub><i><sub>x</sub></i><sub>)</sub>O<sub>3</sub><i><sub>x</sub></i>)
Hochdrucksynthese kristalliner doppelschichtiger Kohlenstoffnitrid‐Netzwerke stabilisiert in Bi<sub>7</sub>C<sub>10</sub>N<sub>18</sub>(N<sub>3(1‐</sub><i><sub>x</sub></i><sub>)</sub>O<sub>3</sub><i><sub>x</sub></i>) Open
Kurzfassung Die Anwendung von Hochdruckbedingungen in der chemischen Synthese ermöglicht den Zugang zu einem breiten Spektrum neuer stickstoffreicher Verbindungen und überwindet die Stabilität des Stickstoffmoleküls. In dieser Arbeit beric…
View article: High‐Pressure Synthesis of Crystalline Double‐Layer Carbon Nitride Networks Stabilized in Bi <sub>7</sub> C <sub>10</sub> N <sub>18</sub> (N <sub>3(1‐</sub> <i> <sub>x</sub> </i> <sub>)</sub> O <sub>3</sub> <i> <sub>x</sub> </i> )
High‐Pressure Synthesis of Crystalline Double‐Layer Carbon Nitride Networks Stabilized in Bi <sub>7</sub> C <sub>10</sub> N <sub>18</sub> (N <sub>3(1‐</sub> <i> <sub>x</sub> </i> <sub>)</sub> O <sub>3</sub> <i> <sub>x</sub> </i> ) Open
Application of high‐pressure conditions in chemical synthesis has proven to access a wide range of novel nitrogen‐rich compounds and to overcome the stability of the dinitrogen molecule. In the present work, we report the high‐pressure hig…
View article: High‐Pressure Synthesis of Nitrogen‐Rich Y(N <sub>5</sub> ) <sub>3</sub> ·N <sub>2</sub> Pentazolate with Perovskite Topology
High‐Pressure Synthesis of Nitrogen‐Rich Y(N <sub>5</sub> ) <sub>3</sub> ·N <sub>2</sub> Pentazolate with Perovskite Topology Open
The discovery and stabilization of the cyclo‐N 5 ⁻ anion have introduced a class of pentazolate compounds with significant potential as high‐energy‐density materials (HEDMs). This potential could be further enhanced by increasing the penta…
View article: Hochdrucksynthese eines stickstoffreichen Y(N <sub>5</sub> ) <sub>3</sub> ·N <sub>2</sub> Pentazolats mit perowskitartiger Topologie
Hochdrucksynthese eines stickstoffreichen Y(N <sub>5</sub> ) <sub>3</sub> ·N <sub>2</sub> Pentazolats mit perowskitartiger Topologie Open
Zusammenfassung Die Entdeckung und Stabilisierung des cyclo ‐N 5 ⁻ Anions hat eine neue Klasse von Pentazolatverbindungen eingeführt, die ein großes Potential als neuartige Materialien mit hoher Energiedichte pro Formeleinheit aufweisen. D…
View article: High‐Pressure Synthesis of Ultra‐Incompressible Beryllium Tungsten Nitride Pernitride BeW<sub>10</sub>N<sub>14</sub>(N<sub>2</sub>)
High‐Pressure Synthesis of Ultra‐Incompressible Beryllium Tungsten Nitride Pernitride BeW<sub>10</sub>N<sub>14</sub>(N<sub>2</sub>) Open
For the activation of nitrogen and its reduction to ammonia, transition metals are crucial in biological as well as industrial processes. So far, only a few binary transition metal compounds with nitrogen dimer anions are known, whereas a …
View article: High‐Pressure Synthesis of Ultra‐Incompressible Beryllium Tungsten Nitride Pernitride BeW<sub>10</sub>N<sub>14</sub>(N<sub>2</sub>)
High‐Pressure Synthesis of Ultra‐Incompressible Beryllium Tungsten Nitride Pernitride BeW<sub>10</sub>N<sub>14</sub>(N<sub>2</sub>) Open
For the activation of nitrogen and its reduction to ammonia, transition metals are crucial in biological as well as industrial processes. So far, only a few binary transition metal compounds with nitrogen dimer anions are known, whereas a …
View article: Cr<sup>3+</sup>-Containing Carbonates and Cr<sub>2</sub>O<sub>3</sub>-<i>Pbcn</i> at Extreme Conditions
Cr<sup>3+</sup>-Containing Carbonates and Cr<sub>2</sub>O<sub>3</sub>-<i>Pbcn</i> at Extreme Conditions Open
We synthesized three carbonates, Cr2[CO3]3, Cr2[C2O5][CO3]2, and Cr2[CO3][O]2, containing Cr3+ by laser hea…
View article: Hochdrucksynthese von Pr<sub>2</sub>O<sub>5</sub> – Ein einzigartiges Lanthanoid(IV) Oxid Peroxid
Hochdrucksynthese von Pr<sub>2</sub>O<sub>5</sub> – Ein einzigartiges Lanthanoid(IV) Oxid Peroxid Open
Die Reaktion von Praseodym(IV)‐oxid und Sauerstoff bei 27 GPa in einer Diamantstempelzelle lieferte das Oxid Peroxid Pr 2 IV (O 2 )O 3 , welches bei unterschiedlichen Druckpunkten durch Einkristallstrukturanalyse an multikristallinem Mater…
View article: High Pressure Synthesis of Pr<sub>2</sub>O<sub>5</sub> – A Unique Lanthanoid(IV) Oxide Peroxide
High Pressure Synthesis of Pr<sub>2</sub>O<sub>5</sub> – A Unique Lanthanoid(IV) Oxide Peroxide Open
Reacting praseodymium(IV) oxide with oxygen at 27 GPa in a diamond anvil cell yielded the oxide peroxide Pr 2 IV (O 2 )O 3 , which was characterized by single crystal X‐ray diffraction on multi‐grain samples, Raman spectroscopy and quantum…
View article: Synthesis and Characterization of Lithium Pyrocarbonate (Li<sub>2</sub>[C<sub>2</sub>O<sub>5</sub>]) and Lithium Hydrogen Pyrocarbonate (Li[HC<sub>2</sub>O<sub>5</sub>])
Synthesis and Characterization of Lithium Pyrocarbonate (Li<sub>2</sub>[C<sub>2</sub>O<sub>5</sub>]) and Lithium Hydrogen Pyrocarbonate (Li[HC<sub>2</sub>O<sub>5</sub>]) Open
The anhydrous pyrocarbonate and the first hydrogen pyrocarbonate Li[HC 2 O 5 ] have been synthesized in a laser‐heated diamond anvil cell at moderate pressures ( GPa). The structures of the two compounds have been obtained from single crys…
View article: Synthesis and Characterization of Lithium Pyrocarbonate (Li<sub>2</sub>[C<sub>2</sub>O<sub>5</sub>]) and Lithium Hydrogen Pyrocarbonate (Li[HC<sub>2</sub>O<sub>5</sub>])
Synthesis and Characterization of Lithium Pyrocarbonate (Li<sub>2</sub>[C<sub>2</sub>O<sub>5</sub>]) and Lithium Hydrogen Pyrocarbonate (Li[HC<sub>2</sub>O<sub>5</sub>]) Open
The anhydrous pyrocarbonate and the first hydrogen pyrocarbonate Li[HC 2 O 5 ] have been synthesized in a laser‐heated diamond anvil cell at moderate pressures ( GPa). The structures of the two compounds have been obtained from single crys…
View article: Ca3[C2O5]2[CO3] is a pyrocarbonate which can be formed at p, T-conditions prevalent in the Earth’s transition zone
Ca3[C2O5]2[CO3] is a pyrocarbonate which can be formed at p, T-conditions prevalent in the Earth’s transition zone Open
Understanding the fate of subducted carbonates is a prerequisite for the elucidation of the Earth’s deep carbon cycle. Here we show that the concomitant presence of Ca[CO 3 ] with CO 2 in a subducting slab very likely results in the format…
View article: Polymorphism of monatomic iodine
Polymorphism of monatomic iodine Open
We applied synchrotron single-crystal X-ray diffraction in a diamond anvil cell at 48-51 GPa and first-principles theoretical calculations to study the crystal structure of solid atomic iodine at high pressure. We report the synthesis of t…
View article: Polytypism of incommensurately modulated structures of crystalline bromine upon molecular dissociation under high pressure
Polytypism of incommensurately modulated structures of crystalline bromine upon molecular dissociation under high pressure Open
Polytypism of incommensurately modulated structures was hitherto unobserved. Here, it was found in solid bromine and iodine upon molecular dissociation under pressure up to 112 GPa. Single-crystal synchrotron x-ray diffraction in laser-hea…
View article: Monoclinic distortion and magnetic transitions in FeO under pressure and temperature
Monoclinic distortion and magnetic transitions in FeO under pressure and temperature Open
View article: High-pressure dysprosium carbides containing carbon dimers, trimers, chains, and ribbons
High-pressure dysprosium carbides containing carbon dimers, trimers, chains, and ribbons Open
Exploring the chemistry of materials at high pressure leads to discoveries of previously unknown compounds and phenomena. Here chemical reactions between elemental dysprosium and carbon were studied in laser-heated diamond anvil cells at p…
View article: High‐Entropy Alloys and Their Affinity with Hydrogen: From Cantor to Platinum Group Elements Alloys
High‐Entropy Alloys and Their Affinity with Hydrogen: From Cantor to Platinum Group Elements Alloys Open
Properties of high‐entropy alloys are currently in the spotlight due to their promising applications. One of the least investigated aspects is the affinity of these alloys to hydrogen, its diffusion, and reactions. In this study, high pres…
View article: Editorial: Syntheses under extreme conditions
Editorial: Syntheses under extreme conditions Open
EDITORIAL article Front. Chem., 31 May 2024Sec. Solid State Chemistry Volume 12 - 2024 | https://doi.org/10.3389/fchem.2024.1428895
View article: High‐Pressure Synthesis of Ultra‐Incompressible, Hard and Superconducting Tungsten Nitrides
High‐Pressure Synthesis of Ultra‐Incompressible, Hard and Superconducting Tungsten Nitrides Open
Transition metal nitrides, particularly those of 5 d metals, are known for their outstanding properties, often relevant for industrial applications. Among these metal elements, tungsten is especially attractive given its low cost. In this …
View article: Cover Feature: High‐pressure Synthesis of Cobalt Polynitrides: Unveiling Intriguing Crystal Structures and Nitridation Behavior (Chem. Eur. J. 32/2024)
Cover Feature: High‐pressure Synthesis of Cobalt Polynitrides: Unveiling Intriguing Crystal Structures and Nitridation Behavior (Chem. Eur. J. 32/2024) Open
A series of cobalt polynitrides has been discovered by using laser-heated diamond anvil cells under high pressure that demonstrate an increasing degree of nitrogen polymerization with increasing pressure. Synthesis under high pressure and …
View article: Extending carbon chemistry at high-pressure by synthesis of CaC2 and Ca3C7 with deprotonated polyacene- and para-poly(indenoindene)-like nanoribbons
Extending carbon chemistry at high-pressure by synthesis of CaC2 and Ca3C7 with deprotonated polyacene- and para-poly(indenoindene)-like nanoribbons Open
View article: Monoclinic distortion and magnetic transitions in FeO under pressure and temperature
Monoclinic distortion and magnetic transitions in FeO under pressure and temperature Open
Fe1-xO, although chemically simple, possesses a complex structural and magnetic phase diagram. The crystal structures of Fe1-xO and its magnetic properties at high-pressure and high-temperature conditions are still a matter of debate. In t…
View article: Diverse high-pressure chemistry in Y-NH <sub>3</sub> BH <sub>3</sub> and Y–paraffin oil systems
Diverse high-pressure chemistry in Y-NH <sub>3</sub> BH <sub>3</sub> and Y–paraffin oil systems Open
The yttrium-hydrogen system has gained attention because of near-ambient temperature superconductivity reports in yttrium hydrides at high pressures. We conducted a study using synchrotron single-crystal x-ray diffraction (SCXRD) at 87 to …
View article: Structural diversity of molecular nitrogen on approach to polymeric states
Structural diversity of molecular nitrogen on approach to polymeric states Open
Nitrogen represents an archetypal example of material exhibiting a pressure-driven transformation from molecular to polymeric state. Detailed investigations of such transformations are challenging because of a large kinetic barrier between…